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Think Sheet
By Dumoliya Kanta
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Last updated over 5 years ago
5 questions
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Question 1
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Question 2
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Question 3
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Question 4
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Question 5
5.
What is the name of the metal which exists in liquid state at room temperature?
sodium
potassium
mercury
bromine
When the liquid is spun rapidly, the denser particles are forced to the bottom and the lighter particles stay at the top. This principle is used in:
Centrifugation
Fractional distillation
Evaporation
Tunneling
Which of the following elements is not a metalloid?
Silicon
Boron
Germanium
Tungsten
If we put camphor in an open container, its amount keeps on decreasing due to the phenomenon of
Evaporation
Precipitation
Condensation
Sublimation
The continuous zig-zag movement of colloidal particles in a dispersion medium is called
Dispersion
Tyndall effect
Brownian movement
Oscillation